Born in Dublin, Paul Kilduff graduated from University College Dublin and later qualified as a Chartered Accountant. He spent six years working with international banks in the City of London and returned to live and work in Dublin. He has written four financial thrillers. Square Mile was published in 1999, The Dealer in 2000, The Frontrunner in 2001 and The Headhunter in 2003. They were published by Hodder & Stoughton in London and by Muelenhoff in The Netherlands. He has written three non-fiction travel books. Ruinair was published in Ireland by Gill & Macmillan in 2008 and was published in the UK by HarperCollins in 2009. The sequel Ruinairski was published in Ireland by Gill & Macmillan in 2009. The Little Book of Mick was published in Ireland by Gill & Macmillan in 2008 and was published as 'Plane Speaking' in the UK by Aurum Press in 2010.